Ford P0790 OBD-II Trouble Code Definition: P0790 Normal/Performance Switch Circuit Malfunction P0790 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0790 Normal/Performance Switch Circuit What does the code mean? OBD-ii Code P0790 definition: Symptoms Sumptoms of OBD code P0790 – Engine Light ON (or Service Engine Soon Warning Light) Causes Causes of the OBD-II code P0790 Solutions […]